The purpose of this study is to propose an operations management methodology for a parcel to enhance competitiveness of the courier industry. Capacities and network structures of existing and new logistics are analyzed. Mathematical models to derive an optimization strategy for efficient delivery networks are proposed. To be specific, we proposed Mega-Hub and Hub-and-Spoke models to calculate operational costs. This study compares and analyzes the efficiency of the Mega-Hub structure and the Hub-and-Spoke operation method. Two network models are compared to get managerial insights for the current and future scenarios.